A former Pfizer scientist was subpoenaed Monday by House Republicans over allegations that senior executives at the pharma giant colluded to “deliberately slow down” clinical tests of its COVID-19 vaccine ahead of the 2020 presidential election. The House Judiciary Committee ordered Dr. Philip Dormitzer, the ex-vice president and chief scientific officer of RNA and viral vaccines for Pfizer, to appear for a deposition on July 22 after demanding answers about allegations “that senior Pfizer executives conspired to withhold public health information so as to influence the 2020 presidential election.” “To date, you have failed to voluntarily comply with our requests,”...